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Low numerical aperture collimating materials

  • Classification: Image optical recognition materials
  • Number of views: 2198
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  • Release time: 2022-02-21
  • Product Overview

The optical collimation material is a two-dimensional optical waveguide array arranged regularly by micron-scale optical waveguides. The adjacent optical waveguides have excellent optical insulation characteristics, which can realize the optical image to penetrate the transparent layer of more than 3mm without deteriorating the image quality, and can effectively block the stray light from the environment into the image sensor to ensure the accuracy of image signal extraction.

Technical data 

Collimation unit size 6-70μm

Transmittance of vertical observation≥35%

Observed transmittance at 5 ° tilt≤5%

Optically insulating wavelength range300-1000nm

Optical insulation efficiency≥99.5%

Maximum area array size146mm×146mm

Thickness0.2mm - 1.0mm

Applications

It can be applied to the under screen fingerprint recognition system of smartphones, achieving comprehensive on-screen fingerprint recognition. The product size can be customized according to needs.


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